US3412977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented annular sealing ring and method of its manufacture
Assignee: General Electric Co
•
Filing: 1965-04-15
•
Granted: 1968-11-26
•
Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Wayne B Moyer
- 👤 Richard W Gentile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US228571A
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US749693A
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US1048657A
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US1668822A
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US1792288A
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US2467168A
Cited
US2620554A
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US3053694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |